Question: Which of the following is Lindlar catalyst?
Zinc chloride and $\mathrm{HCl}$
Cold dilute solution of $\mathrm{KMnO}_{4}$
Sodium and Liquid $\mathrm{NH}_{3}$
Partially deactivated palladised charcoal
Correct Option:
Solution:
Partially deactivated palladised charcoal $\left(\mathrm{H}_{2} / \mathrm{pd} / \mathrm{CaCO}_{3}\right)$ is lindlar catalyst.